Accessibility
/əkˌsɛsəˈbɪlɪti/
noun — “making sure everyone, no matter how they interact with the web, gets invited to the party.”
Root
/ruːt/
noun — “the ultimate origin point of a system where everything else sprouts from.”
Roles and Groups
/roʊlz ənd ɡruːps/
noun — “the organizational hats and club memberships that tell a system who can do what.”
Authorization
/ɔːˌθɒr.ɪˌzeɪ.ʃən/
noun — “the system’s way of saying, ‘okay, you’re you… now, what are you allowed to touch?’”
Authentication
/ɔːˌθɛn.tɪ.kəˈeɪ.ʃən/
noun — “the system’s way of asking, ‘are you really you, or just a clever imposter?’”
Identity Management
/aɪˈdɛn.tɪ.ti ˈmæn.ɪdʒ.mənt/
noun — “the system that keeps track of who’s who and what they’re allowed to do without losing their passwords under the couch cushions.”
Unix Permissions
/ˈjuːnɪks pərˈmɪʃənz/
noun — “the classic three-tier access system that decides if you can look, edit, or execute in the land of pipes and terminals.”
Access Control Lists
/ˈæk.sɛs kənˈtroʊl lɪsts/
noun — “the rulebook your system uses to decide who can do what, and who’s politely turned away.”
File Permissions
/faɪl pərˈmɪʃənz/
noun — “the rules that decide who gets to peek, poke, or completely wreck your files.”
Shared Memory
/ʃɛrd ˈmɛm.ə.ri/
noun — “the communal fridge for processes — everyone grabs what they need, but don’t spoil it.”
Shared Memory is a memory segment accessible by multiple processes, allowing them to exchange data quickly without relying on slower inter-process communication methods like pipes or sockets. By mapping the same physical memory into the address space of different processes, Shared Memory enables high-speed, low-latency data sharing for collaborative computation and real-time applications.